YES
TRS:
 {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
 DP:
  Strict:
   {f#(f(a(), a()), x) -> f#(x, a()),
    f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))),
    f#(f(a(), a()), x) -> f#(a(), f(a(), a()))}
  Weak:
  {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
  EDG:
   {(f#(f(a(), a()), x) -> f#(x, a()), f#(f(a(), a()), x) -> f#(a(), f(a(), a())))
    (f#(f(a(), a()), x) -> f#(x, a()), f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))))
    (f#(f(a(), a()), x) -> f#(x, a()), f#(f(a(), a()), x) -> f#(x, a()))
    (f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))), f#(f(a(), a()), x) -> f#(x, a()))
    (f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))), f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))))
    (f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a()))), f#(f(a(), a()), x) -> f#(a(), f(a(), a())))}
   SCCS:
    Scc:
     {f#(f(a(), a()), x) -> f#(x, a()),
      f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a())))}
    SCC:
     Strict:
      {f#(f(a(), a()), x) -> f#(x, a()),
       f#(f(a(), a()), x) -> f#(f(x, a()), f(a(), f(a(), a())))}
     Weak:
     {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
     BOUND:
      Bound: match(-raise)-DP-bounded by 1
      Automaton:
       {      b_0() -> 2*
              a_1() -> 7*
              a_0() -> 3*
        f#_1(8, 10) -> 1*
         f#_0(6, 3) -> 1*
         f#_0(5, 6) -> 1*
         f#_0(4, 6) -> 1*
          f_1(7, 9) -> 10*
          f_1(7, 7) -> 9*
          f_1(6, 7) -> 8*
          f_0(6, 3) -> 5*
          f_0(5, 6) -> 4*
          f_0(3, 5) -> 6*
          f_0(3, 3) -> 5*
          f_0(2, 3) -> 4*}
      Strict:
       {f#(f(a(), a()), x) -> f#(x, a())}
      EDG:
       {(f#(f(a(), a()), x) -> f#(x, a()), f#(f(a(), a()), x) -> f#(x, a()))}
       SCCS:
        Scc:
         {f#(f(a(), a()), x) -> f#(x, a())}
        SCC:
         Strict:
          {f#(f(a(), a()), x) -> f#(x, a())}
         Weak:
         {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
         POLY:
          Argument Filtering:
           pi(a) = [], pi(f#) = [0,1], pi(f) = []
          Usable Rules:
           {}
          Interpretation:
           [f#](x0, x1) = x0 + x1,
           [f] = 1,
           [a] = 0
          Strict:
           {}
          Weak:
           {f(f(a(), a()), x) -> f(f(x, a()), f(a(), f(a(), a())))}
          Qed